To provide a rewriting system capable of performing flexible rewriting, and a rewriting device and computer used for the rewriting system.SOLUTION: A rewriting system 1 includes an ECU 10 and a rewriting device 20. In a flash ROM 14B (memory), there are provided CH1 to CHn programming area A21 to A2n. The rewriting system further includes a mask setting unit which performs a mask setting process for setting a mask target are in which rewriting is prohibited in the CH1 to CHn programming area A21 to A2n and a mask exclusion area in which rewriting is allowed. The rewriting device 20 transmits rewriting data of storage contents of all of the CH1 to CHn programming area A21 to A2n, and the ECU 10 rewrites the storage contents in the mask exclusion area by using the rewriting data corresponding to the mask exclusion area.SELECTED DRAWING: Figure 1

    【課題】柔軟性のある書換えが可能な書換えシステム、当該書換えシステムに用いられる書換え装置及びコンピュータを提供する。【解決手段】ECU10と、書換え装置20と、を備えた書換えシステム1であって、フラッシュROM14B(メモリ)には、CH1〜CHnプログラムエリアA21〜A2nが設けられ、CH1〜CHnプログラムエリアA21〜A2nのうち書換えを禁止するマスク対象エリアと、書換えを許可するマスク除外エリアと、を設定するマスク設定処理を行うマスク設定部を備え、書換え装置20は、CH1〜CHnプログラムエリアA21〜A2nの全てについて記憶内容の書換えデータを送信し、ECU10は、マスク除外エリアに対応した書換えデータを用いて、当該マスク除外エリアの記憶内容の書換えを行う。【選択図】図1


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    Title :

    REWRITING SYSTEM, REWRITING DEVICE, AND COMPUTER


    Additional title:

    書換えシステム、書換え装置及びコンピュータ


    Contributors:

    Publication date :

    2019-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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